Note 11 - Fair Value Measurements - Fair Value Measurements (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands	Aug. 28, 2021	Nov. 28, 2020
Assets:
Marketable securities	$ 1,828	$ 22,560
Foreign exchange contract assets	3,192	2,320
Cross-currency cash flow hedge assets	4,716	2,823
Liabilities:
Foreign exchange contract liabilities	1,764	5,251
Interest rate swaps, cash flow hedge liabilities	17,924	33,256
Interest rate swaps, fair value hedge liabilities	3,478
Contingent consideration liabilities	8,700	5,800
Cross-currency cash flow hedge liabilities		280
Fair Value, Inputs, Level 1 [Member]
Assets:
Marketable securities	1,828	22,560
Foreign exchange contract assets	0	0
Cross-currency cash flow hedge assets	0	0
Liabilities:
Foreign exchange contract liabilities	0	0
Interest rate swaps, cash flow hedge liabilities	0	0
Interest rate swaps, fair value hedge liabilities	0
Contingent consideration liabilities	0	0
Cross-currency cash flow hedge liabilities		0
Fair Value, Inputs, Level 2 [Member]
Assets:
Marketable securities	0	0
Foreign exchange contract assets	3,192	2,320
Cross-currency cash flow hedge assets	4,716	2,823
Liabilities:
Foreign exchange contract liabilities	1,764	5,251
Interest rate swaps, cash flow hedge liabilities	17,924	33,256
Interest rate swaps, fair value hedge liabilities	3,478
Contingent consideration liabilities	0	0
Cross-currency cash flow hedge liabilities		280
Fair Value, Inputs, Level 3 [Member]
Assets:
Marketable securities	0	0
Foreign exchange contract assets	0	0
Cross-currency cash flow hedge assets	0	0
Liabilities:
Foreign exchange contract liabilities	0	0
Interest rate swaps, cash flow hedge liabilities	0	0
Interest rate swaps, fair value hedge liabilities	0
Contingent consideration liabilities	$ 8,700	5,800
Cross-currency cash flow hedge liabilities